package com.itheima.reggie.controller;

import cn.hutool.core.bean.BeanUtil;
import com.baomidou.mybatisplus.core.conditions.Wrapper;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.reggie.common.R;
import com.itheima.reggie.dto.DishDto;
import com.itheima.reggie.entity.Category;
import com.itheima.reggie.entity.Dish;
import com.itheima.reggie.entity.DishFlavor;
import com.itheima.reggie.service.CategoryService;
import com.itheima.reggie.service.DishFlavorService;
import com.itheima.reggie.service.DishService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.stream.Collectors;

@Slf4j
@RestController
@RequestMapping("/dish")
public class DishController {

    @Autowired
    private DishFlavorService dishFlavorService;

    @Autowired
    private DishService dishService;

    @Autowired
    private CategoryService categoryService;

    /**
     * add添加菜品
     *
     * @param dishDto
     * @return
     */
    @PostMapping
    public R addSave(@RequestBody DishDto dishDto) {
        log.info(dishDto.toString());
        dishService.saveWithFlavor(dishDto);
        return R.success("新增菜品成功");
    }

    /**
     * 分页查询
     *
     * @param page
     * @param pageSize
     * @param name
     * @return
     */
    @GetMapping("/page")
    public R<Page> AllCha(Integer page, Integer pageSize, String name) {
        Page<Dish> pageInfo = new Page<>(page, pageSize);
        Page<DishDto> dishDtoPage = new Page<>();
        //条件构造器
        LambdaQueryWrapper<Dish> queryWrapper = new LambdaQueryWrapper<>();
        //添加过滤条件
        queryWrapper.like(name != null, Dish::getName, name);
        //添加排序条件
        queryWrapper.orderByDesc(Dish::getUpdateTime);
        //执行分页查询
        dishService.page(pageInfo, queryWrapper);
        //对象拷贝
        BeanUtils.copyProperties(pageInfo, dishDtoPage, "records");
        List<Dish> records = pageInfo.getRecords();
        List<DishDto> list = records.stream().map((item) -> {
            DishDto dishDto = new DishDto();
            BeanUtils.copyProperties(item, dishDto);
            Long categoryId = item.getCategoryId();
            //根据id查询分类对象
            Category category = categoryService.getById(categoryId);
            if (category != null) {
                String categoryName = category.getName();
                dishDto.setCategoryName(categoryName);
            }
            return dishDto;
        }).collect(Collectors.toList());
        dishDtoPage.setRecords(list);

        return R.success(dishDtoPage);

    }

    /**
     * 根据id查询
     *
     * @param id
     * @return
     */
    @GetMapping("/{id}")
    public R<DishDto> getIdChaXun(@PathVariable Long id) {
        DishDto dishDto = dishService.getByIdWithFlavor(id);
        return R.success(dishDto);
    }

    /**
     * 更新菜品
     *
     * @param dishDto
     * @return
     */
    @PutMapping
    public R update(@RequestBody DishDto dishDto) {
        log.info(dishDto.toString());
        dishService.updateWithFlavor(dishDto);
        return R.success("修改菜品成功");
    }

    /**
     * 删除菜品
     *
     * @param ids
     * @return
     */
    @DeleteMapping
    public R deleteIdShanChu(@RequestParam List<Long> ids) {

        dishService.deleteWithFlavor(ids);
        return R.success("删除菜品成功");
    }

    /**
     * 修改状态
     *
     * @param dish
     * @param ids
     * @return
     */
    @PostMapping("/status/{status}")
    public R updateStatus(Dish dish, @RequestParam List<Long> ids) {
        LambdaQueryWrapper<Dish> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.in(Dish::getId, ids);
        dishService.update(dish, queryWrapper);
        return R.success("修改状态成功");

    }


    @GetMapping("/list")
    public R list(Dish dish) {
        LambdaQueryWrapper<Dish> qw = new LambdaQueryWrapper<>();
        qw.eq(dish.getCategoryId() != null, Dish::getCategoryId, dish.getCategoryId());
        qw.eq(Dish::getStatus, 1);
        qw.orderByAsc(Dish::getSort).orderByDesc(Dish::getUpdateTime);
        List<Dish> list = dishService.list(qw);

        List<DishDto> collect = list.stream().map(item -> {
            DishDto dishDto = new DishDto();
            BeanUtil.copyProperties(item, dishDto);
            LambdaQueryWrapper<DishFlavor> wrapper = new LambdaQueryWrapper<>();
            wrapper.eq(DishFlavor::getDishId, dishDto.getId());
            List<DishFlavor> list1 = dishFlavorService.list(wrapper);
            dishDto.setFlavors(list1);
            return dishDto;

        }).collect(Collectors.toList());
        return R.success(collect);
    }

}
